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Finding the Fourth Proportional to 160,223.87, 221,105.70 and 88,605.09

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Solution

The fourth proportional to 160,223.87, 221,105.70 and 88,605.09 is: 122,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,223.87 : 221,105.70 = 88,605.09 : x
  2. Step 2: Convert to fraction form
    160,223.87/221,105.70 = 88,605.09/x
  3. Step 3: Cross multiply
    160,223.87x = 221,105.70 × 88,605.09
  4. Step 4: Simplify right side
    160,223.87x = 19,591,090,448.01
  5. Step 5: Solve for x
    x = 19,591,090,448.01/160,223.87
  6. Step 6: Final answer
    x = 122,273.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.